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To eliminate duplicate rows (distinct operator)
Example:
SELECT DISTINCT DEPTNO FROM EMP;
DBMS, Programming
SQL injection on a search The way Search performs its task is by executing the following query (in a php script): $var=stripslashes($_POST['search']); $query = "SELECT username from lab1_login where use ...
Question: Team Project Submission - Submit to the Unit 4 Group Project Area This version of the capstone project assignment is FOR GRADING this week. Submit to the group area the document containing completed Sections On ...
Assignment Queries, Functions and Triggers Database Systems Aims The aims of this assignment are to: formulate SQL queries; populate an RDBMS with a real dataset, and analyse the data; design test data for testing SQL qu ...
Database and Information Retrieval Assignment - Data Privacy Essay Task - Write an essay (aim for 750 words) that addresses issues associated with data proivacy. Use the Australian Privacy Principles - discussed in class ...
OBJECTIVE: The objective of this lab is to be familiar with a process in big data modeling. You're required to produce three big data models using the MS PowerPoint software. This tool is available on UMUC Virtual Deskto ...
Assignment Question - Write and run SQL statements to complete the following tasks Part A - DML 1. Locate the record in the vendor table that does not have a value for the attribute V_STATE 2. Find the customers whose ba ...
Solve the following questions using Oracle. You are not allowed to use the syntax of any DBMS other than Oracle. Make sure to upload an electronic copy of your solution to your CSC335 TRACE folder. Name the file hw4.sql. ...
Database Design & Development Assignment - Assignment title - Design and Implement a Relational Database for a local Print and Ink Refill Business. Learning Outcome - Use an appropriate design tool to design a relational ...
SQL Query 1. How many products have standard price less than 1000? Query 2: Display all attributes for products made of "Cherry" from Product table w/o referring to column names. Query 3: Display all product names having ...
Suppose that we have a table of house prices and a table of zip codes: • hprices(hid (PK),address,bedrooms,price,zipcode) • zipcodes(zipcode (PK),state) Write a SQL query that finds the average, maximum, and minimum pric ...
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